network-get sometimes returns duplicate entries

[Dmitrii Shcherbakov]

JAAS controller + AWS instance:

juju run --unit percona-cluster/0 'printenv JUJU_VERSION'
2.6.10

Multiple identical entries are present in bind-addresses and ingress-addresses.

juju run --unit percona-cluster/0 'network-get cluster'
bind-addresses:
- macaddress: 02:f3:f8:4e:26:ba
  interfacename: ens5
  addresses:
  - hostname: ""
    address: 172.31.10.139
    cidr: 172.31.0.0/20
  - hostname: ""
    address: 172.31.10.139
    cidr: 172.31.0.0/20
- macaddress: 36:87:3d:0c:73:9a
  interfacename: fan-252
  addresses:
  - hostname: ""
    address: 252.10.139.1
    cidr: 252.0.0.0/12
egress-subnets:
- 172.31.10.139/32
ingress-addresses:
- 172.31.10.139
- 172.31.10.139
- 252.10.139.1

juju run --unit percona-cluster/0 'printenv JUJU_VERSION'
2.6.10
➜ cpython git:(3.7) ✗ juju status
Model Controller Cloud/Region Version SLA Timestamp
awstest jaas aws/eu-central-1 2.6.10 unsupported 19:38:00+03:00

App Version Status Scale Charm Store Rev OS Notes
percona-cluster 5.7.20 active 1 percona-cluster jujucharms 283 ubuntu

Unit Workload Agent Machine Public address Ports Message
percona-cluster/0* active idle 0 3.123.129.31 3306/tcp Unit is ready

Machine State DNS Inst id Series AZ Message
0 started 3.123.129.31 i-0b70c06cd422e33f4 bionic eu-central-1a running

[Achilleas Anagnostopoulos (achilleasa)]

PR https://github.com/juju/juju/pull/11535 includes a fix for develop.